package com.heima.behavior.service.impl;
import java.util.Date;

import com.heima.behavior.service.ApBehaviorEntryService;
import com.heima.behavior.service.ApCollectionBehaviorService;
import com.heima.common.exception.CustException;
import com.heima.model.behavior.dtos.CollectionBehaviorDTO;
import com.heima.model.behavior.pojos.ApBehaviorEntry;
import com.heima.model.behavior.pojos.ApCollection;
import com.heima.model.common.dtos.ResponseResult;
import com.heima.model.common.enums.AppHttpCodeEnum;
import com.heima.model.threadlocal.AppThreadLocalUtils;
import com.heima.model.user.pojos.ApUser;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.mongodb.core.MongoTemplate;
import org.springframework.data.mongodb.core.query.Criteria;
import org.springframework.data.mongodb.core.query.Query;
import org.springframework.stereotype.Service;

@Service
public class ApCollectionBehaviorServiceImpl implements ApCollectionBehaviorService {

    @Autowired
    private MongoTemplate mongoTemplate;
    @Autowired
    private ApBehaviorEntryService apBehaviorEntryService;

    @Override
    public ResponseResult collectBehavior(CollectionBehaviorDTO dto) {
        //校验参数 需要登录 文章id不能null  操作类型 0 或 1
        ApUser user = AppThreadLocalUtils.getUser();
        if (user ==  null) {
            CustException.cust(AppHttpCodeEnum.NEED_LOGIN,"用户未登录");
        }
        //根据userId查询行为实体数据
        ApBehaviorEntry apBehaviorEntry = apBehaviorEntryService.findByUserIdOrEquipmentId(user.getId(), dto.getEquipmentId());
        Query query = new Query(Criteria.where("entryId").is(apBehaviorEntry.getId()).and("articleId").is(dto.getArticleId()));
        ApCollection apCollection = mongoTemplate.findOne(query, ApCollection.class);
        if (dto.getOperation() == 0) {
            //如果是收藏操作 判断是否已经收藏
            if (apCollection != null){
                CustException.cust(AppHttpCodeEnum.DATA_NOT_ALLOW,"您已经收藏了这篇文章，无需重复收藏");
            }else {
                //如果未收藏 新增收藏行为
                apCollection = new ApCollection();
                apCollection.setEntryId(apBehaviorEntry.getId());
                apCollection.setArticleId(dto.getArticleId());
                apCollection.setCreatedTime(new Date());
                mongoTemplate.save(apCollection);
            }
        }else {
            //如果是取消收藏操作  删除收藏行为
            if (apCollection == null){
                CustException.cust(AppHttpCodeEnum.DATA_NOT_EXIST,"该文章不在您的收藏列表中，取消收藏失败");
            }
            mongoTemplate.remove(apCollection);
        }
        return ResponseResult.okResult();
    }
}
